27821948

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{877}}^1$

素因数の和:1002

約数の個数: 48

約数和(自身を含む): 61361664

約数和(自身を除く): 33539716

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 103, 154, 206, 308, 412, 721, 877, 1133, 1442, 1754, 2266, 2884, 3508, 4532, 6139, 7931, 9647, 12278, 15862, 19294, 24556, 31724, 38588, 67529, 90331, 135058, 180662, 270116, 361324, 632317, 993641, 1264634, 1987282, 2529268, 3974564, 6955487, 13910974, 27821948]

約数ペア:

[(1, 27821948), (2, 13910974), (4, 6955487), (7, 3974564), (11, 2529268), (14, 1987282), (22, 1264634), (28, 993641), (44, 632317), (77, 361324), (103, 270116), (154, 180662), (206, 135058), (308, 90331), (412, 67529), (721, 38588), (877, 31724), (1133, 24556), (1442, 19294), (1754, 15862), (2266, 12278), (2884, 9647), (3508, 7931), (4532, 6139)]